Fourth floor-crossing weakens Poilievre's leadership, former Harper staffer says
A former top aide to Stephen Harper says Marilyn Gladu's decision to leave the Conservative party for the Liberals weakens Pierre Poilievre's leadership. Dimitri Soudas, who was Stephen Harper's director of communications, says Gladu was a "true blue conservative" and her decision to leave caught people off guard. Gladu, who was elected as a Conservative MP four times, joined Prime...

